Bone Rush is learned by 4 species by level

Effect, in PokéAPI's words

“Hits 2-5 times in one turn.”

Who learns it

4 species in all, 8 of 19 games shown

Scarlet and Violet: 2 species

Species	Method	Level
Mandibuzz	Level up	Evolve
Lucario	Level up	36

Brilliant Diamond and Shining Pearl: 3 species

Species	Method	Level
Cubone	Level up	29
Marowak	Level up	31
Lucario	Level up	36

Sword and Shield: 4 species

Species	Method	Level
Mandibuzz	Level up	Evolve, 1
Cubone	Level up	29
Marowak	Level up	31
Lucario	Level up	36

Ultra Sun and Ultra Moon: 4 species

Species	Method	Level
Mandibuzz	Level up	Evolve, 1
Lucario	Level up	29
Cubone	Level up	51
Marowak	Level up	65

Sun and Moon: 4 species

Species	Method	Level
Mandibuzz	Level up	Evolve, 1
Lucario	Level up	29
Cubone	Level up	51
Marowak	Level up	65

Omega Ruby and Alpha Sapphire: 4 species

Species	Method	Level
Mandibuzz	Level up	1, 51
Lucario	Level up	29
Cubone	Level up	37
Marowak	Level up	43

X and Y: 4 species

Species	Method	Level
Mandibuzz	Level up	1, 51
Lucario	Level up	29
Cubone	Level up	37
Marowak	Level up	43

Black 2 and White 2: 4 species

Species	Method	Level
Lucario	Level up	29
Cubone	Level up	37
Marowak	Level up	43
Mandibuzz	Level up	51

Changed over time

One change since Generation II

1. Through Gen IVAccuracy 80%90% from Black and White, Generation V